公开(公告)号：US12136841B2

公开(公告)日：2024-11-05

申请号：US17341561

申请日：2021-06-08

Applicant: Samsung Electronics Co., Ltd

Inventor： Myeongjae Lee ,  Ju Wan Lim ,  Duk Jin Oh ,  Jinho Kim ,  Young Hun Sung ,  Daeryong Jung

IPC: H02J7/00 ,  G01R31/367 ,  G01R31/3835 ,  G01R31/392

Abstract: A short circuit detection method includes obtaining battery data associated with a state of a battery from a charging cycle of the battery, estimating an error in the battery data using an estimation model, determining a state indicator corresponding to the error in the battery data, and detecting a short circuit of the battery based on a result of comparing the state indicator and a short circuit threshold.

公开(公告)号：US11368034B2

公开(公告)日：2022-06-21

申请号：US17010308

申请日：2020-09-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Daeryong Jung ,  Young Hun Sung ,  Duk Jin Oh ,  Ju Wan Lim

IPC: H02J7/04 ,  H02J7/00 ,  H01M10/44 ,  H01M10/48 ,  H01M10/42 ,  B60L58/22

Abstract: A battery charging method and apparatus are provided. The battery charging apparatus determines, in a present charging operation, a variation in a charging current to charge a battery based on a degradation condition of the battery and an internal state of the battery in the present charging operation, and determines a charging current of a subsequent charging operation based on the variation in the charging current in the present charging operation and the charging current in the present charging operation.

公开(公告)号：US10886767B2

公开(公告)日：2021-01-05

申请号：US16034528

申请日：2018-07-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jinho Kim ,  Tae Won Song ,  Ju Wan Lim ,  Young Hun Sung ,  Hongsoo Choi

IPC: H02J7/00 ,  H01M10/42 ,  H01M10/48 ,  H01M10/44 ,  G01R31/382

Abstract: A battery charging control method and apparatus is disclosed. The battery charging control method includes inputting a preset magnitude of a current to a battery during a preset period of time, identifying a diffusion characteristic of a material in the battery, and determining whether to change the magnitude of the current to be input to the battery based on the identified diffusion characteristic of the material, in which the diffusion characteristic may be determined based on a distribution of the material in one or more of a cathode of the battery, an anode of the battery, and an electrolyte of the battery in response to the input of the current in the battery.

公开(公告)号：US12123922B2

公开(公告)日：2024-10-22

申请号：US17826958

申请日：2022-05-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ju Wan Lim ,  Jinho Kim ,  Myeongjae Lee ,  Young Hun Sung ,  Duk Jin Oh

IPC: G01R31/392 ,  B60L58/10 ,  G01R31/367 ,  G01R31/52

CPC classification number: G01R31/392 ,  B60L58/10 ,  G01R31/367 ,  G01R31/52

Abstract: A method and apparatus for detecting an internal short circuit in a battery are provided. The method includes acquiring values of one or more basic parameters of the battery, acquiring values of one or more degradation parameters used in a battery model indicating an internal state of the battery based on the values of the one or more basic parameters, determining whether the internal short circuit occurs in the battery based on a first value of a first degradation parameter and a second value of a second degradation parameter from among the one or more degradation parameters, and performing an operation in response to the internal short circuit occurring in the battery.

公开(公告)号：US11929468B2

公开(公告)日：2024-03-12

申请号：US17210677

申请日：2021-03-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ju Wan Lim ,  Duk Jin Oh ,  Myunghoon Kim

IPC: H01M10/42 ,  H01M10/44 ,  H01M10/46 ,  H02J7/00 ,  H02J7/02

CPC classification number: H01M10/425 ,  H01M10/44 ,  H01M10/46 ,  H02J7/0071 ,  H02J7/00718 ,  H02J7/007184 ,  H02J7/02

Abstract: A battery charging method includes: charging a battery with a charging current; and changing the charging current in response to a current change event occurring during the charging of the battery, wherein the current change event occurs when the battery reaches a threshold voltage at which an anode potential of the battery reaches a reference value.

公开(公告)号：US11637330B2

公开(公告)日：2023-04-25

申请号：US17090157

申请日：2020-11-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Duk Jin Oh ,  Young Hun Sung ,  Ju Wan Lim ,  Daeryong Jung

IPC: H01M10/42 ,  H01M10/48 ,  H01M10/44 ,  H02J7/00 ,  B60L53/00 ,  B60L53/10 ,  B60L58/12

Abstract: A battery charging method includes acquiring a functional relationship of a differential value of an amount of charge or a state of charge (SOC) with respect to a voltage of a battery based on the voltage or the SOC, determining charging steps for charging of the battery by analyzing the functional relationship, and generating a charging profile comprising charging currents for each of the charging steps to charge the battery.

公开(公告)号：US10985590B2

公开(公告)日：2021-04-20

申请号：US15782452

申请日：2017-10-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ju Wan Lim ,  Jin Duk Oh ,  Myunghoon Kim

IPC: H02J7/00 ,  H01M10/42 ,  H01M10/44 ,  H01M10/46 ,  H02J7/02

Abstract: A battery charging method includes: charging a battery with a charging current; and changing the charging current in response to a current change event occurring during the charging of the battery, wherein the current change event occurs when the battery reaches a threshold voltage at which an anode potential of the battery reaches a reference value.

公开(公告)号：US10862325B2

公开(公告)日：2020-12-08

申请号：US15958088

申请日：2018-04-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ju Wan Lim ,  YoungJae Kim ,  Duk Jin Oh ,  Young Hun Sung

IPC: H02J7/00 ,  B60L58/16 ,  H01M10/44 ,  B60L53/10 ,  H01M10/48 ,  B60L53/00

Abstract: A battery charging method and apparatus are provided. A setting value of charging control information is determined based on an overpotential value and a voltage value of a battery and is applied in the charging control information, and a voltage applied to charge the battery is controlled based on the charging control information that applies the setting value.

公开(公告)号：US10797501B2

公开(公告)日：2020-10-06

申请号：US16023241

申请日：2018-06-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Daeryong Jung ,  Young Hun Sung ,  Duk Jin Oh ,  Ju Wan Lim

IPC: H02J7/00 ,  H01M10/44 ,  H01M10/48 ,  H01M10/42 ,  B60L58/22

Abstract: A battery charging method and apparatus are provided. The battery charging apparatus determines, in a present charging operation, a variation in a charging current to charge a battery based on a degradation condition of the battery and an internal state of the battery in the present charging operation, and determines a charging current of a subsequent charging operation based on the variation in the charging current in the present charging operation and the charging current in the present charging operation.

公开(公告)号：US10720786B2

公开(公告)日：2020-07-21

申请号：US16163678

申请日：2018-10-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Daeryong Jung ,  Jinho Kim ,  Myung Hoon Kim ,  Young Hun Sung ,  Duk Jin Oh ,  Ju Wan Lim

IPC: H02J7/00 ,  H01M10/44 ,  B60L53/14 ,  B60L58/12 ,  G01R31/367 ,  H01M10/0525 ,  B60L53/10

Abstract: A battery charging method and apparatus are provided. The battery charging apparatus receives a desired charging time of a battery, generates charging currents of charging steps to charge the battery based on the desired charging time, acquires a charging limit condition including an internal state condition and a maximum charging time for each of the charging steps based on the desired charging time and an electrochemical model of the battery, and generates a charging profile including the charging currents and charging times of the charging currents based on the charging limit condition.